125375250165 has 16 divisors (see below), whose sum is σ = 218836800576. Its totient is φ = 60788000000.

The previous prime is 125375250151. The next prime is 125375250229. The reversal of 125375250165 is 561052573521.

It is not a de Polignac number, because 125375250165 - 2⁴ = 125375250149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379924836 + ... + 379925165.

It is an arithmetic number, because the mean of its divisors is an integer number (13677300036).

Almost surely, 2^125375250165 is an apocalyptic number.

125375250165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125375250165 is a deficient number, since it is larger than the sum of its proper divisors (93461550411).

125375250165 is a wasteful number, since it uses less digits than its factorization.

125375250165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759850020.

The product of its (nonzero) digits is 315000, while the sum is 42.

The spelling of 125375250165 in words is "one hundred twenty-five billion, three hundred seventy-five million, two hundred fifty thousand, one hundred sixty-five".